You can use your current JAM Sports profile credentials to log in to the new website.
Here's what you need to do:
Visit the new website, jamsports.com.
Click the Log In button in the website header on desktop, or the menu button in the website header on mobile.
Use your existing JAM Sports email and password to access your profile.
From the Profile and Settings options, review your profile details and make any necessary updates.
Head to the Programs option to browse and register for leagues.